<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <div id="root"></div>
</body>
</html>
<script src="https://unpkg.com/vue@next"></script>
<script>
    // Non-prop 属性
    const app = Vue.createApp({
        template:`
        <div>
            <counter msg="hello" msg1="hello1" />
        </div>
        `
    });
    app.component('counter',{
        // inheritAttrs: false,
        mounted(){
            console.log(this.$attrs.msg)
        },
        template:`
        <div :msg="$attrs.msg">Counter</div>
        <div :bind="$attrs">Counter</div>
        <div :msg1="$attrs.msg1">Counter</div>
        `
    })
    const vm = app.mount('#root')
</script>